Author(s):

Indumoori Manoj Venkatesh, VM Prasad and SS Saravanan

Abstract: The present investigation entitled “Effect of Micronutrients on Growth, Flower Yield and Flower Quality of Petunia (Petunia hybrida) cv. Purple star” was carried out during 2019-2020 at research field of Department of Horticulture, Allahabad School of agriculture, SHUATS, Prayagraj. The experiment included ten treatments and three replications. Treatment details were T₀ - (Control), T₁ - (ZNSO₄ @ 0.2%), T₂ -(ZNSO₄@0.4%),T₃-(ZNSO₄ @ 0.6%),T₄-(FESO₄@ 0.2%),T₅ - (FESO₄ @ 0.4%), T₆ - (FESO₄ @ 0.6%),T₇- (CUSO₄ @ 0.2%),T₈-(CUSO₄ @ 0.4%),T₉-(CUSO₄ @ 0.6%).It was concluded that application of ZNSO₄ @0.6% in treatment T₃ was found to be superior on plant height (23.95 cm), plant spread (72.41 cm), number of branches (22.13), number of leaves (561.75), number of days required for 1^st bud emergence from transplanting (21.92), number of days required for 1^st flower opening (30.83), and application of ZNSO₄ @0.2% in treatment T₁ found best in terms of flower stalk length (6.78 cm), and flower length (7.70 cm) and application of ZNSO₄@0.6% in Treatment T₃ found superior in terms of fresh weight of flower (1.16 g), dry weight of flower (0.89 g), number of flowers per plant (106.47), flower yield per plant (122.35 g), flower yield per plot (489.40 g), flower yield per hectare (4.89 t) was observed as compared to T₀- Control.

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